128429520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535123}}^1$

素因数の和:535139

約数の個数: 40

約数和(自身を含む): 398132256

約数和(自身を除く): 269702736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535123, 1070246, 1605369, 2140492, 2675615, 3210738, 4280984, 5351230, 6421476, 8026845, 8561968, 10702460, 12842952, 16053690, 21404920, 25685904, 32107380, 42809840, 64214760, 128429520]

約数ペア:

[(1, 128429520), (2, 64214760), (3, 42809840), (4, 32107380), (5, 25685904), (6, 21404920), (8, 16053690), (10, 12842952), (12, 10702460), (15, 8561968), (16, 8026845), (20, 6421476), (24, 5351230), (30, 4280984), (40, 3210738), (48, 2675615), (60, 2140492), (80, 1605369), (120, 1070246), (240, 535123)]